What is Halloween?

Halloween (or Hallowe’en ... but also known as Samhain, Summer’s End, All Hallow’s Eve, Witches Night, Lamswool, and Snap-Apple), is a holiday that's celebrated annually on the night of October 31. It originated in Ireland, and is celebrated in quite a few countries including Ireland itself, the United States, Canada, the United Kingdom, Japan, New Zealand, Australia, Sweden among others. It's celebrated in a variety of ways and activities including trick-or-treating, ghost tours, bonfires, costume parties, "haunted house" tours, carving pumpkins (Jack-o'-lanterns) and reading / watching scary stories / movies.